package jdbc;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Scanner;

public class DeleteUser {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.println("请输入用户名");
		String username = scanner.nextLine();
		try (Connection connection = DBUtil.getConnection()) {
			String sql = "DELETE FROM userinfo WHERE username=?";
			PreparedStatement ps = connection.prepareStatement(sql);
			ps.setString(1,username);
			int num = ps.executeUpdate();
			System.out.println(num>0?"删除成功":"删除失败");
		} catch (SQLException e) {
			e.printStackTrace();
		}
	}
}